'Ohi'A
Metrosideros macropus
David Eickhoff (www.flickr.com) from Pearl City, Hawaii, USA







Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Myrtaceae
- Genus:
- Metrosideros
- Species:
- Metrosideros macropus
- USDA Symbol:
- MEMA4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jan,feb,mar,apr,may,jun,jul,aug,sep,oct,nov,dec
- Bloom Colors:
- red
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- birds, bees
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Can resprout from roots and trunk after fire damage, typical of Hawaiian Metrosideros species.
Soil Requirements
- Soil Type:
- rich, well-drained volcanic soil
- pH:
- 5.5 - 6.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to volcanic slopes with high organic matter
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–60 days
- Notes:
- Seeds are very fine and require light for germination. Surface sow and keep moist.
The above propagation data sourced from Claude AI